//
// DotNetNuke - http://www.dotnetnuke.com
// Copyright (c) 2002-2010
// by Perpetual Motion Interactive Systems Inc. ( http://www.perpetualmotion.ca )
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated 
// documentation files (the "Software"), to deal in the Software without restriction, including without limitation 
// the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and 
// to permit persons to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or substantial portions 
// of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED 
// TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF 
// CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
// DEALINGS IN THE SOFTWARE.
//

using System.Xml.XPath;
using DotNetNuke.Common.Lists;
using DotNetNuke.Framework;
namespace DotNetNuke.Services.Installer.Dependencies
{
	public class DependencyFactory
	{
		public static IDependency GetDependency(XPathNavigator dependencyNav)
		{
			IDependency dependency = null;
			string dependencyType = Util.ReadAttribute(dependencyNav, "type");
			switch (dependencyType.ToLowerInvariant()) {
				case "coreversion":
					dependency = new CoreVersionDependency();
					break;
				case "package":
					dependency = new PackageDependency();
					break;
				case "permission":
					dependency = new PermissionsDependency();
					break;
				case "type":
					dependency = new TypeDependency();
					break;
				default:
					DotNetNuke.Common.Lists.ListController listController = new DotNetNuke.Common.Lists.ListController();
					ListEntryInfo entry = listController.GetListEntryInfo("Dependency", dependencyType);
					if (entry != null && !string.IsNullOrEmpty(entry.Text)) {
						dependency = (DependencyBase)Reflection.CreateObject(entry.Text, "Dependency_" + entry.Value);
					}
					break;
			}
			if (dependency == null) {
				dependency = new InvalidDependency(Util.INSTALL_Dependencies);
			}
			dependency.ReadManifest(dependencyNav);
			return dependency;
		}
	}
}
